Peak Energy is a technology company.
Peak Energy has raised $65.0M across 2 funding rounds.
Peak Energy has raised $65.0M in total across 2 funding rounds.
Peak Energy has raised $65.0M in total across 2 funding rounds.
Peak Energy's investors include Abstract Ventures, BlueRun Ventures, Eclipse Ventures, Energy Impact Partners, General Catalyst, LGF, Lowercarbon Capital, Menlo Ventures, Presight Capital, TDK Ventures, Thirty Five Ventures.
Peak Energy is a Denver-based startup founded in 2023 that designs and deploys next-generation sodium-ion battery energy storage systems (ESS) for grid-scale applications. These systems are safer, lower-cost, and more reliable than lithium-ion alternatives, using abundant domestically sourced materials to support renewable energy integration for utilities and independent power producers.[1][2][3] The company solves critical challenges in energy storage by reducing reliance on scarce minerals like lithium and cobalt, enabling scalable, cost-effective solutions amid rising grid demand—highlighted by their $65M Series A funding in 2024 and deployment of the world's first passively cooled, grid-scale sodium-ion system in Colorado in August 2025.[2][3]
Peak Energy's growth momentum is rapid: they completed their first pilot in California in September 2024, shipped the U.S.'s inaugural grid-scale sodium-ion ESS, and were named America's most promising energy startup, positioning them to expand domestic manufacturing and job creation.[1][3]
Peak Energy emerged in 2023 amid the urgent push for resilient, U.S.-sourced energy storage to counter lithium supply chain vulnerabilities and accelerate renewables.[2][3] Led by CEO Landon Mossburg, the team—drawing from battery and energy expertise—prioritized fast execution, closing a $55M Series A in June 2024 backed by Eclipse Ventures, TDK Ventures, TechEnergy Ventures, and others to fund industrialization.[2][3][5] Pivotal early traction included commissioning their A1 pilot system in California by September 2024, followed by the landmark August 2025 deployment of the largest sodium-ion phosphate pyrophosphate (NFPP) system globally, marking the first U.S. grid-scale sodium-ion integration.[1][3] This hands-on progress reflects their "sense of urgency" for tangible results over hype.[3]
Peak Energy stands out in the sodium-ion battery space through these key advantages:
Peak Energy rides the explosive growth in renewable energy storage, where intermittency demands affordable, scalable batteries to stabilize grids amid surging U.S. demand from electrification and data centers. Timing is ideal: post-IRA incentives boost domestic production, while global lithium shortages (exacerbated by China dominance) create openings for sodium-ion as a safer, mineral-secure alternative.[1][2][3] Market tailwinds include utilities' need for cost-competitive ESS to defer expensive infrastructure, plus sodium-ion's fit for long-duration storage in renewables-heavy regions like California and Colorado.[1][3] By pioneering U.S. grid deployments, Peak influences the ecosystem—spurring sodium supply chains, thousands of manufacturing jobs, and energy independence, while challenging lithium incumbents.[3]
Peak Energy is primed for explosive scaling, with post-Series A momentum likely fueling multi-GWh factory builds and utility contracts by 2027, capitalizing on their first-mover U.S. grid deployments. Trends like AI-driven grid strain and federal reshoring policies will amplify sodium-ion adoption, potentially evolving Peak into a cornerstone of North American energy security. As the bridge from lithium dependency to abundant alternatives, their trajectory could redefine grid resilience—echoing their mission to deliver safer, cheaper storage at the scale renewables demand.[1][3]
Peak Energy has raised $65.0M across 2 funding rounds. Most recently, it raised $55.0M Series A in July 2024.
| Date | Round | Lead Investors | Other Investors |
|---|---|---|---|
| Jul 1, 2024 | $55.0M Series A | Abstract Ventures, BlueRun Ventures, Eclipse Ventures, Energy Impact Partners, General Catalyst, LGF, Lowercarbon Capital, Menlo Ventures, Presight Capital, TDK Ventures, Thirty Five Ventures | |
| Oct 1, 2023 | $10.0M Seed | Abstract Ventures, BlueRun Ventures, Eclipse Ventures, Energy Impact Partners, LGF, Lowercarbon Capital, Menlo Ventures, TDK Ventures, Thirty Five Ventures |